2017MNRAS.468.2093D

Query : 2017MNRAS.468.2093D

2017MNRAS.468.2093D - Mon. Not. R. Astron. Soc., 468, 2093-2113 (2017/June-3)

Dense molecular gas at 12 mm towards Galactic TeV gamma-ray sources.

DE WILT P., ROWELL G., WALSH A.J., BURTON M., RATHBORNE J., FUKUI Y., KAWAMURA A. and AHARONIAN F.

Abstract (from CDS):

The High Energy Stereoscopic System has revealed many TeV (1012 eV) gamma-ray sources along the Galactic plane, and around 30 per cent of these sources remain unidentified. The morphology and dynamics of dense gas coincident and surrounding the gamma-ray emission can provide clues about the nature of the TeV emission. The H2O Southern Galactic Plane Survey (HOPS) undertaken with the Mopra radio telescope includes several dense gas tracers, such as NH3 (n,n) transitions and HC3N (3-2), star formation tracers including H2O masers and radio recombination lines that trace ionized gas. A search for dense gas, traced by NH3 (1,1) emission seen in HOPS and additional observations, towards Galactic TeV sources has been undertaken. Of the 49 Galactic TeV sources covered by 12 mm observations, NH3 (1,1) is detected towards or adjacent to 38 of them. Dense gas counterparts have been detected near several unidentified Galactic TeV sources that display morphology pointing to a hadronic origin to the TeV gamma-rays. The dense gas detected towards some TeV sources displays unusual emission characteristics, including very broad linewidths and enhanced ortho-to-para NH3 abundance ratios towards HESS J1745-303 and HESS J1801-233, which reflects previous shock activity within the gas.

Abstract Copyright: © 2017 The Authors Published by Oxford University Press on behalf of the Royal Astronomical Society

Journal keyword(s): pulsars: general - ISM: clouds - cosmic rays - ISM: supernova remnants - gamma-rays: general - gamma-rays: ISM - gamma-rays: ISM

Simbad objects: 85

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Number of rows : 85
N Identifier Otype ICRS (J2000)
RA 		ICRS (J2000)
DEC 		Mag U Mag B Mag V Mag R Mag I Sp type #ref
1850 - 2026 		#notes
1 NAME LMC G 05 23 34.6 -69 45 22     0.4     ~ 19090 0
2 FGES J1023.3-5747 gam 10 23 15.18313 -57 46 34.7840           ~ 57 0
3 Cl Westerlund 2 OpC 10 23 58.1 -57 45 49           ~ 400 0
4 PSR J1119-6127 Psr 11 19 14.30 -61 27 49.5           ~ 439 1
5 PSR J1301-6305 Psr 13 02 47.9992676 -63 10 48.001099           ~ 139 2
6 AX J1418.7-6058 X 14 18 38.6 -60 57 49           ~ 55 0
7 PSR J1418-6058 Psr 14 18 42.725 -60 58 01.89           ~ 129 0
8 NAME Kookaburra reg 14 19 -60.9           ~ 56 1
9 PSR J1420-6048 Psr 14 20 08.190 -60 48 14.85           ~ 214 0
10 HESS J1427-608 gam 14 27 52.0 -60 51 00           ~ 25 1
11 SNR G318.2+00.1 SNR 14 54.8 -59 04           ~ 36 0
12 HESS J1503-582 gam 15 03 -58.2           ~ 23 0
13 PSR J1615-5137 Psr 16 15 12.62 -51 34 53.3           ~ 67 0
14 AJG 44 Psr 16 17 33.000 -51 02 00.00           ~ 552 3
15 MSXDC G334.70+00.02 a cor 16 25 50 -49 08.8           ~ 2 0
16 4FGL J1626.0-4917c BLL 16 26 02.0 -49 17 02           ~ 20 0
17 HESS J1626-490 gam 16 26 04.0 -49 05 13           ~ 18 0
18 [RAA2005] G334.684-0.107 HII 16 26 23 -49 15.4           ~ 2 0
19 SNR G335.2+00.1 SNR 16 27 45.000 -48 47 00.00           ~ 52 0
20 IGR J16320-4751 HXB 16 32 01.76 -47 52 29.0           BN0.5Ia 188 0
21 HESS J1634-472 gam 16 34 51.11927 -47 14 01.9360           ~ 31 0
22 SNR G338.3-00.0 SNR 16 40 43.2 -46 31 48           ~ 175 2
23 PSR J1640-4631 Psr 16 40 43.52 -46 31 35.4           ~ 65 0
24 GAL 338.4+00.1 HII 16 40 49.2 -46 24 05           ~ 19 0
25 3FGL J1641.1-4619c gam 16 41 01.3 -46 19 24           ~ 12 0
26 HESS J1641-463 gam 16 41 01.7 -46 18 11           ~ 27 0
27 SNR G338.3-00.1 SNR 16 41 05 -46 33.4           ~ 4 0
28 SNR G338.5+00.1 SNR 16 41 09 -46 19.0           ~ 50 0
29 HESS J1646-458 gam 16 46 00.0 -45 48 00           ~ 14 0
30 Cl Westerlund 1 OpC 16 47 02.4 -45 51 07           ~ 655 1
31 HESS J1702-420 gam 17 02 44.0 -42 00 57           ~ 46 0
32 HESS J1708-410 gam 17 08 24.0 -41 05 24           ~ 21 0
33 SNR G347.3-00.5 SNR 17 12 27 -39 41.2     12.27     ~ 761 1
34 SNR G348.7+00.3 SNR 17 13 43.0 -38 10 12           ~ 134 2
35 HESS J1713-381 gam 17 13 51.20353 -38 13 13.5700           ~ 33 1
36 SNR G348.5+00.1 SNR 17 14 31.780 -38 28 34.50           ~ 233 3
37 HESS J1718-385 gam 17 18 07 -38 33.0           ~ 32 0
38 HESS J1729-345 gam 17 28 58.43253 -34 31 35.8140           ~ 18 0
39 GAL 353.38-00.11 HII 17 29 21.6 -34 35 04           ~ 7 0
40 GAL 353.4-00.4 HII 17 30 31.4 -34 40 59           ~ 20 0
41 SNR G353.6-00.7 SNR 17 31 55.0 -34 42 36           ~ 172 0
42 HESS J1741-302 gam 17 41 15.79827 -30 22 37.2040           ~ 31 0
43 3FGL J1744.7-3043 N*? 17 45 08.6 -30 35 37           ~ 9 0
44 2CG 359+00 gam 17 45 11 -30 11.9           ~ 104 0
45 SNR G359.1-00.5 SNR 17 45 30 -29 57.0           ~ 179 1
46 NAME Galactic Center reg 17 45 39.60213 -29 00 22.0000           ~ 16269 0
47 PSR B1742-30 Psr 17 45 56.30810 -30 40 23.3000           ~ 182 0
48 SNR G359.0-00.9 Rad 17 46 50 -30 16.0           ~ 54 1
49 PSR J1747-2958 Psr 17 47 15.869 -29 58 00.93           ~ 142 1
50 HESS J1800-240B gam 17 57 11 -24 05.5           ~ 30 0
51 HESS J1800-240C gam 17 58 52 -24 03.1           ~ 22 0
52 SNR G006.4-00.1 SNR 18 00 31.2011719 -23 25 48.001099           ~ 782 1
53 4FGL J1801.8-2358 gam 18 01 49.1 -23 58 58           ~ 33 0
54 PSR J1803-2149 Psr 18 03 09.632 -21 49 00.87           ~ 34 0
55 PSR B1800-21 Psr 18 03 51.40000 -21 37 07.0000           ~ 278 1
56 1AGLR J1807-2103 gam 18 03 52.1 -21 10 54           ~ 79 0
57 SNR G008.3-00.0 SNR 18 04.6 -21 49           ~ 27 1
58 W 30 SNR 18 05 31.2011719 -21 25 48.001099           ~ 188 1
59 Fermi J1808.2-2029 gam 18 08 00.0 -20 24 00           ~ 20 0
60 HESS J1809-193 gam 18 10 31 -19 18.0           ~ 70 1
61 NAME AGPS 273.4-17.8 SNR 18 13 35.05 -17 49 58.1           ~ 145 2
62 HESS J1818-154 gam 18 16.1 -15 12           ~ 17 0
63 SNR G015.4+00.1 SNR 18 18.0 -15 27           ~ 39 1
64 PSR B1823-13 Psr 18 26 13.06 -13 34 48.1           ~ 460 1
65 HESS J1828-099 gam 18 28 -09.9           ~ 9 0
66 HESS J1831-098 gam 18 31 27.84 -09 35 38.7           ~ 20 0
67 HESS J1832-085 gam 18 32 -08.5           ~ 5 0
68 2MASS J18324516-0921545 XB* 18 32 45.162 -09 21 54.55           ~ 37 0
69 SNR G023.3-00.3 SNR 18 34 51.80 -08 44 38.2           ~ 240 0
70 PSR J1838-0655 Psr 18 38 03.13 -06 55 33.4           ~ 114 1
71 ARGO J1839-0627 Psr 18 40 55.0 -05 33 00           ~ 66 1
72 ARGO J1841-0332 gam 18 43.6 -03 36           ~ 40 0
73 HESS J1844-030 gam 18 44 40.0 -03 06 00           ~ 17 0
74 PSR J1846-0258 Psr 18 46 24.75 -02 58 29.6           ~ 388 2
75 W 43 SFR 18 47 32 -01 56.5           ~ 604 0
76 2MASS J18473666-0156334 ** 18 47 36.670 -01 56 33.46           WN7 29 0
77 HESS J1848-018 gam 18 47 48.72 -01 45 12.5           ~ 32 0
78 0FGL J1848.6-0138 gam 18 48 18.89 -01 40 49.1           ~ 35 1
79 MSXDC G030.97-00.14 DNe 18 48 24.2 -01 48 25           ~ 5 0
80 1HWC J1849-017c gam 18 49 -01.7           ~ 4 0
81 1FGL J1849.7-0121c gam 18 49 59.82 -01 27 29.3           ~ 16 0
82 HESS J1858+020 gam 18 58 20.0 +02 05 24           ~ 45 0
83 ARGO J1912+1026 gam 19 12 14.9 +10 21 06           ~ 51 0
84 HD 193793 WR* 20 20 27.9757908696 +43 51 16.286840244 6.90 7.25 6.85 4.58   WC7pd+O5.5fc 754 0
85 NAME Galactic Ridge ? ~ ~           ~ 543 1

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